ninety

Everyday

1. Ninety is the number 90. It is nine tens. tree →
2. «The nineties» are the numbers or ages from 90 to 99, or the years of a century ending in 90 to 99. tree →
3. A ninety-degree angle is a right angle, a square corner. tree →

In the lessons

In maths: a count written in words; a right angle is 90 degrees; 90 minutes is an hour and a half. In everyday life: prices, ages, temperatures, a 90-minute football (soccer) match. In stories: «going ninety miles an hour» means going very fast.

Examples

• The book has ninety pages. tree →
• Ninety people came to the fair. tree →
• He paid ninety cents. tree →
• A right angle measures ninety degrees. tree →
• A soccer match lasts ninety minutes. tree →
• My great-grandma is ninety. tree →
• Ninety plus ten is a hundred. tree →
• The corner of a book is a ninety-degree angle. tree →
• Who would have believed a woman past ninety could walk with such speed? tree →

Note

A number written in words; read it as 90. Trap: do not confuse ninety (90) with nineteen (19). Spelling: ninety keeps the «e», but ninth drops it. A right angle = 90°. 90 minutes = 1 hour 30 minutes.

In Jewish tradition

In maths: a count written in words; a right angle is 90 degrees; 90 minutes is an hour and a half. In everyday life: prices, ages, temperatures, a 90-minute football (soccer) match. In stories: «going ninety miles an hour» means going very fast.

Examples

• And Enosh lived ninety years, and begot Kenan. (Torah GEN.5.9, JPS 1917) tree →
• And all the days of Mahalalel were eight hundred ninety and five years; and he died. (Torah GEN.5.17, JPS 1917) tree →
• And Lamech lived after he begot Noah five hundred ninety and five years, and begot sons and daughters. (Torah GEN.5.30, JPS 1917) tree →
• The children of Gibbar, ninety and five. (Writings EZR.2.20, JPS 1917) tree →
• The children of Gibeon, ninety and five. (Writings NEH.7.25, JPS 1917) tree →
• The children of Ater, of Hezekiah, ninety and eight. (Writings EZR.2.16, JPS 1917) tree →

Note

A number written in words; read it as 90. Trap: do not confuse ninety (90) with nineteen (19). Spelling: ninety keeps the «e», but ninth drops it. A right angle = 90°. 90 minutes = 1 hour 30 minutes.